diff options
Diffstat (limited to 'drivers/lguest/lg.h')
| -rw-r--r-- | drivers/lguest/lg.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h index 9da4f351e077..eb81abc05995 100644 --- a/drivers/lguest/lg.h +++ b/drivers/lguest/lg.h @@ -97,8 +97,12 @@ struct lguest { struct lg_cpu cpus[NR_CPUS]; unsigned int nr_cpus; + /* Valid guest memory pages must be < this. */ u32 pfn_limit; + /* Device memory is >= pfn_limit and < device_limit. */ + u32 device_limit; + /* * This provides the offset to the base of guest-physical memory in the * Launcher. @@ -200,7 +204,8 @@ void guest_pagetable_flush_user(struct lg_cpu *cpu); void guest_set_pte(struct lg_cpu *cpu, unsigned long gpgdir, unsigned long vaddr, pte_t val); void map_switcher_in_guest(struct lg_cpu *cpu, struct lguest_pages *pages); -bool demand_page(struct lg_cpu *cpu, unsigned long cr2, int errcode); +bool demand_page(struct lg_cpu *cpu, unsigned long cr2, int errcode, + unsigned long *iomem); void pin_page(struct lg_cpu *cpu, unsigned long vaddr); bool __guest_pa(struct lg_cpu *cpu, unsigned long vaddr, unsigned long *paddr); unsigned long guest_pa(struct lg_cpu *cpu, unsigned long vaddr); |